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Extension Drill,5/16x12 In,HSS,Blk Oxide close
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Extension Drill, 5/16x12 In, HSS, Blk Oxide

Price $22.37 / each

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  • Item # 4ZP10
  • Mfr. Model # 40578
  • UNSPSC # 27112801
  • Catalog Page # 3175
  • Shipping Weight 0.23 lbs.
Country of Origin USACountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemExtension Drill
  • Cutting DirectionRight Hand
  • Coolant ThroughNo
  • MaterialHigh Speed Steel
  • Point Angle135 Degrees
  • Point TypeSplit Point
  • FinishBlack Oxide
  • Dimension TypeFractional Inch
  • Size5/16"
  • Decimal Equivalent0.3125
  • Flute Length3-3/16"
  • Overall Length12"
  • Shank Dia.5/16"
  • List Number912CAT
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Compliance and Restrictions



Use to drill holes in deep or inaccessible places that cannot be reached with regular length drills. Jobbers length flute makes drills more rigid.

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